<template>
  <div>
    <!-- 面包屑导航区 -->
<el-breadcrumb separator-class="el-icon-arrow-right">
  <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item>用户管理</el-breadcrumb-item>
  <el-breadcrumb-item>用户列表</el-breadcrumb-item>
</el-breadcrumb>
<!-- 卡片视图 -->
<el-card>
  <!-- 搜索与添加 -->
<el-row :gutter="20">
  <el-col :span="8">
    <el-input placeholder="请输入内容" v-model="queryInfo.query">
      <el-button slot="append" 
      icon="el-icon-search"
      @click="getUserList()"
      ></el-button>
    </el-input>
</el-col>
  <el-col :span="4">
    <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
  </el-col>
</el-row>
<!-- 用户列表区域 -->
<el-table :data='userlist' border stripe="">
  <el-table-column type="index"></el-table-column>
  <el-table-column label="姓名" prop="username"></el-table-column>
  <el-table-column label="邮箱" prop="email"></el-table-column>
  <el-table-column label="电话" prop="mobile"></el-table-column>
  <el-table-column label="角色" prop="role_name"></el-table-column>
  <el-table-column label="状态" >
    <template slot-scope="scope">
      <el-switch
        v-model="scope.row.mg_state"
        @change="userStateChanged(scope.row)">
      </el-switch>
    </template>
  </el-table-column>
  <el-table-column label="操作" >
    <template slot-scope="scope">
      <!-- 修改 -->
      <el-button type="primary" icon="el-icon-edit" size='mini' @click="showEditDialog(scope.row.id)"></el-button>
      <!-- 删除 -->
      <el-button type="danger" icon="el-icon-delete" size='mini' @click="removeUserById(scope.row.id)"></el-button>
      <!-- 分配 -->
    <el-tooltip effect="dark" content="分配角色" placement="top" :enterable='false'>
      <el-button type="warning" icon="el-icon-setting" size='mini'  @click="setRole(scope.row)"></el-button>
    </el-tooltip>
    </template>
  </el-table-column>
</el-table>
<!-- 分页区域 -->
 <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
</el-card>
<!-- 添加用户的对话框 -->
<el-dialog
  title="添加用户"
  :visible.sync="addDialogVisible"
  width="30%"
  @close='addDialogClose()'
  >
  <!-- 内容主体区 -->
<el-form ref="addFormRef" :model="addForm" label-width="70px" :rules="addFormRules">
  <el-form-item label="用户名" prop="username">
    <el-input v-model="addForm.username"></el-input>
  </el-form-item>
  <el-form-item label="密码" prop="password">
    <el-input v-model="addForm.password"></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="addForm.email"></el-input>
  </el-form-item>
  <el-form-item label="手机" prop="mobile">
    <el-input v-model="addForm.mobile"></el-input>
  </el-form-item>
</el-form>
  <!-- 底部区 -->
  <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser()">确 定</el-button>
  </span>
</el-dialog>
<!-- 修改用户对话框 -->
<el-dialog
  title="修改用户"
  :visible.sync="editDialogVisible"
  @close='editDialogClosed'
  width="50%">
  <el-form ref="editFormRef" :model="editForm" label-width="70px" :rules="addFormRules">
  <el-form-item label="用户名">
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="editForm.email"></el-input>
  </el-form-item>
  <el-form-item label="手机" prop="mobile">
    <el-input v-model="editForm.mobile"></el-input>
  </el-form-item>    
  </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>
</el-dialog>

<!-- 分配角色对话框 -->
<el-dialog
  title="分配角色"
  :visible.sync="setRoleDialogVisible"
  width="50%"
  @close='setRoleDialogClose'
>
  <div>
    <p>当前的用户:{{userInfo.username}}</p>
    <p>当前的角色:{{userInfo.role_name}}</p>
    <p>选择角色:
  <el-select v-model="selectRoleId" placeholder="请选择">
    <el-option
      v-for="item in roleslist"
      :key="item.id"
      :label="item.roleName"
      :value="item.id">
    </el-option>
  </el-select>      
    </p>
  </div>
  <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    // 验证邮箱
    var checkEmail=(rule,val,cb)=>{
      const regEmail=/^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/
      if(regEmail.test(val)){
        return cb()
      }
      cb(new Error('请输入正确邮箱'))
    }
    // 验证手机
    var checkMobile=(rule,val,cb)=>{
      const regMobile=/^[1](([3][0-9])|([4][5-9])|([5][0-3,5-9])|([6][5,6])|([7][0-8])|([8][0-9])|([9][1,8,9]))[0-9]{8}$/
      if(regMobile.test(val)){
        return cb()
      }
      cb(new Error('请输入正确手机号'))
    }
    return {
      // 获取用户参数列表对象
      queryInfo:{
        query:'',
        pagenum:1,
        pagesize:2
      },
      userlist:[],
      total:0,
      // 用户对话框的显示与隐藏
      addDialogVisible:false,
      // 添加用户的表单数据
      addForm:{
        username:'',
        password:'',
        email:'',
        mobile:''
      },

      // 添加表单的验证规则对象
      addFormRules:{
        username:[
          {required:true,message:'请输入用户名',trigger:'blur'},
          {min:3,max:10,message:'用户名的长度在3~10个字符',trigger:'blur'}
          ],
        password:[
          {required:true,message:'请输入密码',trigger:'blur'},
          {min:6,max:15,message:'密码的长度在6~15个字符',trigger:'blur'}         
        ],
        email:[
          {required:true,message:'请输入邮箱',trigger:'blur'}, 
          {validator:checkEmail,trigger:'blur'}       
        ],
        mobile:[
          {required:true,message:'请输入手机号',trigger:'blur'}, 
          {validator:checkMobile,trigger:'blur'}                 
        ]
      },

      // 控制修改用户对话框的显示与隐藏
      editDialogVisible:false,

      // 查询到的用户信息
      editForm:'',
      // 控制分配角色
      setRoleDialogVisible:false,
      // 需要分配权限用户信息
      userInfo:{},
      roleslist:[],
      // 已选中角色
      selectRoleId:''
    }
  },
  created(){
    this.getUserList()
  },
  methods: {
    async getUserList(){
      const {data:res}= await this.$http.get('users',{params:this.queryInfo})
      if(res.meta.status !==200) {
        return this.$message.error('获取用户列表失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
      console.log(res);
    },
    // 简单pagesizi改变事件
    handleSizeChange(newSize){
      this.queryInfo.pagesize=newSize
      this.getUserList()
    },
    // 监听页码值改变
    handleCurrentChange(newPage){
      this.queryInfo.pagenum=newPage
      this.getUserList()
    },
    // 监听switch
    async userStateChanged(userinfo){
      console.log(userinfo);
      const {data:res} =await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if(res.meta.status !== 200){
        userinfo.mg_state=!userinfo.mg_state
        return this.$message.error('更新用户状态失败')}
        this.$message.success('更新用户状态成功')
    },
    // 监听对话框关闭事件
    addDialogClose(){
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮添加新用户
    addUser(){
       this.$refs.addFormRef.validate(async vaild=>{
        if(!vaild)return
        // 发起添加用户网络请求
        const {data:res}= await this.$http.post('users',this.addForm)
        if(res.meta.status !==201){
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        // 隐藏添加对话框
        this.addDialogVisible = false
        // 重新刷新列表
        this.getUserList()
      })
    },
    // 展示编辑用户对话框
    async showEditDialog(id){
      console.log(id);
      const {data:res} =await this.$http.get(`users/${id}`)
        if(res.meta.status !==200){
         return this.$message.error('查询用户失败')
        }
        this.editForm=res.data
      this.editDialogVisible=true
    },
    // 修改用户对话框关闭事件
    editDialogClosed(){
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息提交
    editUserInfo(){
      this.$refs.editFormRef.validate(async vaild=>{
        if(!vaild)return
        // 发起数据请求
        const {data:res} =await this.$http.put(`users/${this.editForm.id}`,{
          email:this.editForm.email,
          mobile:this.editForm.mobile
        })
        if(res.meta.status !==200){
          return this.$message.error('更新用户数据失败')
        }
        this.editDialogVisible=false
        this.getUserList()
        this.$message.success('更新用户信息成功')
      })
    },
    // 根据id删除对应用户信息
    async removeUserById(id){
      console.log(id);
      const confirmResult= await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
        if(confirmResult !=='confirm'){
          return this.$message.info('已取消删除')
        }
        const {data:res}= await this.$http.delete(`users/${id}`)
        if(res.meta.status!==200){
          return this.$message.error('删除失败')
        }
        this.$message.success('删除成功')
        this.getUserList()
    },
    // 展示分配角色
    async setRole(userInfo){
      this.userInfo=userInfo
      // 获取所有角色列表
      const {data:res} =await this.$http.get('roles')
        if(res.meta.status !==200){
          return this.$message.error('获取角色失败')
        } 
        this.roleslist=res.data     
      this.setRoleDialogVisible=true
    },
    // 点击按钮分配角色
    async saveRoleInfo(){
      if(!this.selectRoleId){
        return this.$message.error('请选择要分配的角色')

      }
      const {data:res}=await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectRoleId})
        if(res.meta.status !==200){
          return this.$message.error('分配角色失败')
        }       
        this.$message.success('更新角色成功')
        this.getUserList()
      this.setRoleDialogVisible=true

    },
    setRoleDialogClose(){
      this.selectRoleId=''
      this.userInfo={}
    }
  },
}
</script>

<style lang='less' scoped>

</style>